#include<stdio.h>
int main()
{
	int i;
	char ch[1000]={0};
	gets(ch);
	for(i=0;ch[i]!='\0';i++)
	{
		if(ch[i]>='a' && ch[i]<='x' ||ch[i]>='A' && ch[i]<='X')
		{
			ch[i]+=2;
		}
		else if(ch[i]>='y' && ch[i]<='z'|| ch[i]>='Y'&& ch[i]<='Z')

		{
			ch[i]-=24;;
		}



	}
	puts(ch);
	return 0;
}


